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B1720 Engine Code Repair

Meaning of B1720 engine trouble code is a kind of body trouble code and B1720 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

B1720 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for B1720 code is occuring now you should check B1720 repair processes.
Now don't ask yourself; What should you do with B1720 code ?
The solution is here :

B1720 Possible Solution:

B1720 Engine

Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.

B1720 Code Meaning :

B 1 7 2 0
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Fuel Temperature Sensor B Circuit Range/Performance Engine Shutoff Solenoid Malfunction Reverse Input Circuit

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

B1720 OBD-II Diagnostic Body (B) Trouble Code Description

B1720 engine trouble code is about Reverse Input Circuit.

Main reason For B1720 Code

The reason of B1720 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

B1720 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.